HP / Agilent 54659B RS-232 & Parallel Measurement Storage Module

The HP/Agilent 54659B RS-232 & Parallel Measurement Storage Module expands the analytical capabilities of compatible HP/Agilent 54600-series and 54645A/D oscilloscopes through dual-interface data transfer and comprehensive waveform storage. This plug-in module adds five automatic measurements, advanced math functions including FFT analysis, and non-volatile trace memory with mask-based monitoring for unattended signal acquisition and compliance testing.

Technical Specifications Memory & Storage

Non-volatile trace memory: up to 100 traces

Extended storage: 64K non-volatile memory with data compression supporting up to 97 additional trace memories

Real-time clock with battery back-up for time and date tagging

NVRAM retention: over 10 years Interfaces

RS-232-C

Parallel

Module connector: 9-pin Measurements

Three automatic voltage measurements: amplitude, preshoot, overshoot

Two automatic time measurements: delay, phase angle

Two cursor voltage measurements: absolute and percent-based

Two cursor time measurements: absolute and degree-based

Adjustable measurement thresholds at 10%/90%, 20%/80%, or user-selected voltage levels Waveform Analysis

Math functions: addition, subtraction, multiplication, differentiation, integration, FFT

FFT sample points: 1024

FFT windows: Exponential, Flat Top, Hanning, Rectangular

Cursor measurement sources include math function 1 and 2 Monitoring & Masking

Automatic mask generation and editing

Mask-based unattended monitoring with failure zone indication

Selectable failure modes: stop on failure or continue with logging

Out-of-limit trace storage or printable failure reports Hardcopy Output

Printer support: HP ThinkJet, HP QuietJet, HP PaintJet, HP DeskJet, HP LaserJet, Epson FX-80 compatible models

HP-GL compatible plotter support Physical

Dimensions: 172 mm H × 322 mm W × 317 mm D (6.8 in × 12.7 in × 12.5 in)

Weight: 6.2 kg (14 lbs)

Key Features

Dual RS-232 and parallel connectivity for flexible instrument integration

Frequency-domain analysis via 1024-point FFT with four selectable window functions

Real-time clock with battery back-up ensures temporal accuracy across power cycles

Mask templating for production testing and signal compliance verification

Five additional measurement parameters beyond base oscilloscope functionality

Typical Applications

Unattended production testing and go/no-go mask validation

Out-of-spec event capture and automated failure logging

Frequency-domain signal characterization via FFT analysis

Multi-trace waveform archival with time-stamped hardcopy documentation

Compatibility & Integration Module operates with HP/Agilent 54600-series oscilloscopes and Agilent 54645A/D models. Compatible with Agilent 54620A/C logic analyzers for input/output operations only. Integrates with legacy HP printer and plotter infrastructure via RS-232 and parallel interfaces.